What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY TEST OF EMERGENCY LIGHTS OPERATIONAL CHECK, FOUND EMERGENCY POWER SUPPLY UNIT 12WL BATTERY FAULT. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.
- Difficulty date
- July 20, 2022
- Submitted
- July 22, 2022
- Operation
- Air carrier
- Aircraft
- N189UW
- Make and model
- Airbus A300*
- Aircraft serial
- 1425
- Aircraft time
- 68,768 hours, 26,038 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Condition
- None
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.